The ReflectionType class

The ReflectionType class

Introduction

(PHP 7, PHP 8)

The ReflectionType class reports information about a function's parameter/return type or a class's property type. The Reflection extension declares the following subtypes:

• ReflectionNamedType (as of PHP 7.1.0)
• ReflectionUnionType (as of PHP 8.0.0)

Class synopsis

abstract class ReflectionType implements Stringable {

/* Methods */

public allowsNull(): bool

public __toString(): string

}

Changelog

Version	Description
8.0.0	ReflectionType has become abstract and ReflectionType::isBuiltin() has been moved to ReflectionNamedType::isBuiltin().

Table of Contents

• ReflectionType::allowsNull — Checks if null is allowed
• ReflectionType::__toString — To string

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https://www.php.net/manual/en/class.reflectiontype.php